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left arrowarrow leftTable XII g -  Page 96
Airport in Calhoun, Georgia;  October 9, 1987;    
(Magnetic Declination = 2°W:  Subtract 2° for True Bearing, True Heading and True Wind Direction)
Num.    Species    Time Flight Behavior Weather Field Notes
    I         II     III IV Va Vb Part 1 Part 2 Part 3
 Est.
Alt.
Type
of Flt.
Horiz.
Flt.
Vert.
Flt.
Mag.
Bear.
Mag.
Head.
Wind
Dir.
 Wind 
Vel.
Amb.
Temp
Thrm.
Act.
Cloud 
Types 
436 D. plexippus - 320 m soar - - W - - - - yes - John Westbrook and Wayne West observation:  John saw butterfly fly past air sonde balloon.  Radar showed range was 640 m and altitude was 320 m.  There was also an abundance of other targets.
437 P. sennae 2:47 2 m flap straight level 262° right 087° 1.8 m/s - - - Butterfly varied between 1 and 2 meters.
- - 2:52 - - - - - - - - - - - WW:  Targets were increasing in numbers and were being detected up to 900 m.
- - 2:57 - - - - - - - - 23.5°C - - -
- - 3:00 - - - - - - - - - - - D. plexippus were now at the limit of observation though binoculars at current visibility conditions - approximately 250 m.  Swifts were foraging at 120 m.
- - 3:16 - - - - - - 120° 1.6 m/s - - - A thermal full of swifts drifted through field site.
- - 3:19 - - - - - - - - 21.5°C - - WW:  Radar still showed high targets.
Break - 3:25 - - - - - - - - - - - I checked flowers for foraging D. plexippus - none were found.